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Folks, I''ve written a simple, multi-page Rails app which works fine except for one thing: often when my users click the browsers BACK button, they receive the "Warning: Page has Expired" message in IE, with the suggestion to hit the refresh button. If they do hit refresh, they are told that the information will be sent back to the page, and they have to hit "Retry"

...owever, when I last used it (for an association analysis of a > gene with 12 alleles) it could not deal with the ``large'' 12 by 2 > table. (More precisely, it can deal with it after enlarging some size > parameters in the sources and recompiling, but that's not the smart > wayof doing things ...) Again, does anyone have a suggestion what to do > here? (FEXACT has a ``mixed'' method of dealing with larger tables, but > it seems stupid to have an R function which may produce a message like > ``no, I need more memory ... please try to change param XYZ and t...